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New posts in plyr
Can I aggregate a dataframe and retain string variables in R?
Oct 26, 2022
r
dataframe
plyr
aggregate
reshaping data (a faster way)
Jan 30, 2020
r
data.table
plyr
Dummy for first new element in a series
Sep 08, 2021
r
time-series
plyr
Using ddply inside a function
Sep 16, 2022
r
plyr
Reshape data from long to a short format by a variable, and rename columns
Oct 14, 2022
r
aggregate
data.table
plyr
reshape
R plyr, data.table, apply certain columns of data.frame
Nov 06, 2022
r
data.table
plyr
apply
Aggregate sum and mean in R with ddply
Sep 16, 2022
r
plyr
Efficient way to apply a function to a list of lists
Nov 18, 2022
r
plyr
Keep row names when using rbind.fill in R
Sep 06, 2022
r
plyr
rbind
Once again: Setting the environment within a function
Feb 06, 2018
r
function
plyr
environment
Debugging in plyr or dplyr - seeing which group
Dec 22, 2021
r
debugging
dplyr
plyr
Interpolation within Groups
Jan 17, 2020
r
interpolation
plyr
access plyr id variables within functions
Oct 13, 2022
r
plyr
Reshape package masking preventing melt from naming columns
Feb 17, 2020
r
plyr
reshape
reshape2
melt
R-Error: data_frames can only contain 1d atomic vectors and lists
Aug 29, 2022
r
dplyr
plyr
Calculate ranks for each group
Oct 16, 2022
r
plyr
ranking
Data table aggregations with vector functions, take 2
Nov 04, 2022
r
data.table
plyr
dplyr
Why can't we use . as a parameter in an anonymous function with %>%
Nov 18, 2022
r
dplyr
plyr
Getting at the previous n-rows in a data frame?
Oct 17, 2022
r
plyr
How can I generate by-group summary statistics if my grouping variable is a factor?
Oct 17, 2022
r
apply
plyr
reshape
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